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2*x+x+3/2-(1/5) = 3*x+4/10 // - 3*x+4/10
2*x+x-(3*x)+3/2-(1/5)-(4/10) = 0
2*x+x-3*x+3/2-1/5-2/5 = 0
9/10 = 0
x belongs to the empty set
x belongs to the empty set
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